UV Strength & Exposure Times

Per one log reduction
Type

 

Fluence mJ/cm2

 

Type

 

Fluence mJ/cm2

 

AlgaeOrganisms continued
Diatoms360.0-600.0Micrococcus piltonencis8.10
Green algae360.0-600.0Micrococcus sphaeroides10.0
Blue algae360.0-600.0Neisseria catarrhalis4.40
Phytomonas tumefaciens4.40
Mould SporesProteus vulgaris2.64
Aspergillus amstelodami (meat)66.70Pseudomonas aeruginosa5.50
Aspergillus flavus60.00Pseudomonas fluorescens3.50
Aspergillus glaucus44.00Salmonella typhimurium8.00
Aspergillus niger (bakeries)132.00Sarcina luta19.70
Cladosporium herbarum60.00Serratia marcescens2.40
Mucor mucedo65.00Dysentery bacilli2.20
Mucor racemosus A17.00Shigella dysenteriae1.68
Mucor racemosus B17.00Spirillum rubrum4.40
Oospora lactis5.00Staphylococcus albus1.84
Penicillium digitatum44.00Staphylococcus aureus2.60
Penicillium expansum13.00Streptococcus hemolyticus2.16
Penicillium chrysogenum50.00Streptococcus lactis6.15
Penicillium roqueforti13.00Streptococcus viridans2.00
Rhizopus nigricans111.00Tubercle bacillus10.00
Scopulariopsis brevicaulis80.00
 
OrganismsProtozoa
Bacterium coli in water5.40Paramecium64.0-100.0
Bacillus anthracis4.52
Salmonella Enteritidis4.00Viruses
Bacillus megaterium (veg)1.13Most viruses1.0-10.0
Bacillus megaterium (spores2.73
Bacillus paratyphoid3.20Yeasts
Bacillus subtilis7.10Baker’s yeast3.90
Bacillus subtilis (spores)12.00Brewer’s yeast3.30
Corynebacterium diphtheriae3.37Common yeast (cake)6.00
Eberthella typhosa2.14Saccharomyces ellipsoideus6.00
Escherichia coli (e.coli)3.00Saccharomyces sp.8.00
Micrococcus candidus6.05Saccharomyces cerevisiae6.00
Legionella pneumophila3.80Torula sphaerica (milk & cream)2.30


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